There is a train that leaves stevenage at 05:54 a.m on Wednesday and arrives in cambridge at 06:43 a.m.
That would work for me.
train-arriveby train-day train-departure train-destination train-leaveat
train-arriveby train-day train-departure train-destination train-leaveat
train-arriveby train-day train-departure train-destination train-leaveat
train-arriveby train-day train-departure train-destination train-leaveat